{"id":1150849,"date":"2026-08-26T22:32:13","date_gmt":"2026-08-26T22:32:13","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/1150849\/"},"modified":"2026-08-26T22:32:13","modified_gmt":"2026-08-26T22:32:13","slug":"le-telescope-spatial-nancy-grace-roman-arrive-au-hangar-de-spacex","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/1150849\/","title":{"rendered":"Le t\u00e9lescope spatial Nancy Grace Roman arrive au hangar de SpaceX"},"content":{"rendered":"<p>Le t\u00e9lescope spatial <strong>Nancy Grace Roman<\/strong> de la <a href=\"https:\/\/www.nasa.gov\/\" target=\"_blank\" rel=\"noopener nofollow\">NASA<\/a> est arriv\u00e9 mardi au hangar de <a href=\"https:\/\/www.spacex.com\/\" target=\"_blank\" rel=\"noopener nofollow\">SpaceX<\/a> du complexe de lancement 39A, au Centre spatial Kennedy (Floride), \u00e0 quelques jours de son lancement pr\u00e9vu.<\/p>\n<p>Encapsul\u00e9 dans la coiffe du <strong>Falcon Heavy<\/strong>, <strong>Roman<\/strong> a quitt\u00e9 de nuit le 24 ao\u00fbt l&rsquo;installation de pr\u00e9paration des charges utiles dangereuses o\u00f9 il subissait ses op\u00e9rations de pr\u00e9-lancement depuis juin. Un convoi a escort\u00e9 la charge utile jusqu&rsquo;au hangar afin d&rsquo;assurer sa s\u00e9curit\u00e9 tout au long du trajet.<\/p>\n<p>Dans les prochains jours, les \u00e9quipes proc\u00e9deront \u00e0 l&rsquo;assemblage du t\u00e9lescope avec la fus\u00e9e Falcon Heavy. Le service de lancement de la NASA supervise les pr\u00e9paratifs de cette mission, qui constitue le quatri\u00e8me lancement d&rsquo;une charge utile principale du programme sur Falcon Heavy, apr\u00e8s Psyche, GOES-U et Europa Clipper. L&rsquo;un des propulseurs lat\u00e9raux de Roman a d\u00e9j\u00e0 vol\u00e9 lors de la mission GOES-U.<\/p>\n<p>Une revue de pr\u00e9paration au lancement aura lieu le 28 ao\u00fbt, avant le vote final go\/no go. Le lancement est pr\u00e9vu le 30 ao\u00fbt, depuis le complexe 39A.<\/p>\n<p>Roman, lanc\u00e9 plus t\u00f4t que pr\u00e9vu, doit r\u00e9volutionner l&rsquo;observation de l&rsquo;univers. Gr\u00e2ce \u00e0 son large champ de vision, il pourra capturer rapidement d&rsquo;immenses portions du ciel une fois install\u00e9 au point de Lagrange L2, \u00e0 1,5 million de kilom\u00e8tres de la Terre.<\/p>\n<p>Le t\u00e9lescope est con\u00e7u pour \u00e9tudier l&rsquo;\u00e9nergie sombre, force myst\u00e9rieuse qui acc\u00e9l\u00e8re l&rsquo;expansion de l&rsquo;univers. Il cartographiera \u00e9galement la formation et l&rsquo;\u00e9volution des galaxies, en retra\u00e7ant l&rsquo;influence de la mati\u00e8re noire.<\/p>\n<p>Roman jouera aussi un r\u00f4le majeur dans la recherche d&rsquo;exoplan\u00e8tes, en r\u00e9alisant un recensement statistique des syst\u00e8mes plan\u00e9taires de la Voie lact\u00e9e gr\u00e2ce \u00e0 une pr\u00e9cision in\u00e9dite.<\/p>\n","protected":false},"excerpt":{"rendered":"Le t\u00e9lescope spatial Nancy Grace Roman de la NASA est arriv\u00e9 mardi au hangar de SpaceX du complexe&hellip;\n","protected":false},"author":2,"featured_media":1145635,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[9635],"tags":[1111,11,1777,674,1011,27,775,1702,12,25],"class_list":["post-1150849","post","type-post","status-publish","format-standard","has-post-thumbnail","category-nancy","tag-actu","tag-actualites","tag-eu","tag-europe","tag-fr","tag-france","tag-grand-est","tag-nancy","tag-news","tag-republique-francaise"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/117164188910722485","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1150849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=1150849"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1150849\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/1145635"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=1150849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=1150849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=1150849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}